在隐伏断层的上方出现了氡和地气异常。
There is abnormal distribution of radiometric Rn over the concealed fault.
利用相干体技术研究断层、微断裂的空间分布、地质构造异常及岩性的整体空间展布特征。
Use coherence technology to research the spatial distribution of fault and micro-fracture, the abnormal of geological structure and characteristics of the spatial distribution of lithology.
山西带北部的断层形变异常参数对山西断陷带及其延伸部位上的强震同样有较好的反映。
The parameters of the fault deformation anomaly from northern part of Shanxi zone reflected the strong earthquake activity along Shanxi fault subsidence zone and its extension section.
研究不同声波时差测井信息(变化幅度和异常范围)可以简单直观地定性判断断层的封闭性。
Therefore, the study of different acoustic logging information (abnormal changes in magnitude and scope) can be simple and intuitive qualitative judgment of the sealing ability of the fault.
结果表明,应力途径和断层的存在是影响波速异常的两种可能因素。
It is shown that the stress path and the presence of faults are two possible factors influencing the anomaly of wave velocities.
异常孔隙流体压力可使盖层毛细管封闭能力增强,可使盖层形成抑制封闭作用,使断层具封闭性。
Abnormal pore fluid pressure can enhance capillary sealing ability of caprock and the restraining hydrocarbon concentration sealing ability making faults form sealing.
加速异常主要集中在孕震区的调整单元或断层活动地段。
The acceleration anomalies are mainly concentrated in adjusting unit in earthquake generating area or active segment of the fault.
通过相干体解释,可进行断层解释、岩性异常圈定,特别对小断层和陷落柱的发育部位及其空间关系有其独特效果。
From coherent bodies interpretation, can locate faults and block out lithological anomalies, especially in minor faults and subsided columns locating and their spatial relationships.
在常规地震资料处理中小断层所产生的局部反射振幅异常,常被各种因素所掩盖,无法识别小断层。
During normal seismic material processing, the local reflected amplitude abnormality caused by small faults are so covered by all kinds of factors that the small faults can't be identified.
多场地、大范围的断层活动异常可能与强震活动相呼应。
Multi-site and large scale faulting anomaly may echo each other with the strong seismic activity.
断层面进水局部产生滑移,断层的分布交杂区易形成异常高压,导致断层附近易发生套损。
Fault face moves relatively after being contaminated by water, areas with complex faults distribution can easily cause abnormal high pressure thus can cause casing sheer easily.
本文介绍了一种用重力水平梯度相关函数异常确定断层位置和发现隐伏断层的计算方法,并配合归一化总梯度等方法计算断层的产出位置。
A calculation method of correlation function anomalies of gravity horizontal gradients for corroborating the locations of faults and discovering burried faults has been introduced in this paper.
异常高压主要分布在斜坡内带的任西洼槽和肃宁洼槽附近,异常低压多在高阳断层及北段斜坡外带出现。
High abnormal pressure mainly occurs around Renxi sub-sag and Suning sub-sag in inner belt of the slope, while low abnormal pressure exits around Gaoyang fault and north of the slope.
结果表明跨断层短基线群体异常是物理力学意义清楚,对应概率比较高的本区成组强震短期预报指标。
The results show that the group anomalys is a short-term prediction index for grouped strong earthquakes in the region with clear physical sense and high corresponding probability.
从理论模型的重力异常和观测的重力异常的拟合情况、断层的形态参数收敛性、迭代次数的统计表明,解释结果是可靠的。
Curve fitting of theoretical gravity anomalies and observed gravity anomalies, shape parameters convergence of the fault structures, iteration number indicate the reliability of the interpretation.
根据氡、汞断层气在断层上形成的机制,分析了断层气上氡、汞异常形态特征。
Accor ding to the mechanism of fault gases such as radon and mercury gases formed above faults, the authors analyzed the radon and mercury gases anomaly characteristics above active faults.
基于这一原理,本文就二度岩脉、接触带、垂直断层磁异常的反问题导出其表达式。
Based on this principle, the new function expressions of 2-d anomalies due to sloping thin dikes, geologic contact and vertical fault have been deduced, respectively.
应用二度体倾斜断层的正演公式,计算任意倾角及上、下埋深不同的隐伏断层模型的重力异常。
We used formula of gravity anomalies of a 2d model, computed gravity anomalies with arbitrary Angle of the fault plane, depths to the top and bottom of the concealed fault structure.
入院当天经颅多普勒超声异常率91.3%,高于脑电图(65.2%)、脑电图地形图(78.3%)及头颅计算机断层扫描(17.4%)。
CD on the day of admission, TCD yielded an abnormal rate of 91.3% in these patients, significantly higher than the rats by EEG (65.2%), topographic EEG mapping (78.3%) and head CT (17.4%).
入院当天经颅多普勒超声异常率91.3%,高于脑电图(65.2%)、脑电图地形图(78.3%)及头颅计算机断层扫描(17.4%)。
CD on the day of admission, TCD yielded an abnormal rate of 91.3% in these patients, significantly higher than the rats by EEG (65.2%), topographic EEG mapping (78.3%) and head CT (17.4%).
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